#ifndef __SOUND_HDSP_H
  #define __SOUND_HDSP_H
  
  /*
   *   Copyright (C) 2003 Thomas Charbonnel (thomas@undata.org)
   *    
   *   This program is free software; you can redistribute it and/or modify
   *   it under the terms of the GNU General Public License as published by
   *   the Free Software Foundation; either version 2 of the License, or
   *   (at your option) any later version.
   *
   *   This program is distributed in the hope that it will be useful,
   *   but WITHOUT ANY WARRANTY; without even the implied warranty of
   *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *   GNU General Public License for more details.
   *
   *   You should have received a copy of the GNU General Public License
   *   along with this program; if not, write to the Free Software
   *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
   */
  
  #define HDSP_MATRIX_MIXER_SIZE 2048

  enum HDSP_IO_Type {

  	Digiface,
  	Multiface,
  	H9652,
  	H9632,
  	Undefined,

  };

  struct hdsp_peak_rms {

  	__u32 input_peaks[26];
  	__u32 playback_peaks[26];
  	__u32 output_peaks[28];
  	__u64 input_rms[26];
  	__u64 playback_rms[26];

  	/* These are only used for H96xx cards */

  	__u64 output_rms[26];

  };

  #define SNDRV_HDSP_IOCTL_GET_PEAK_RMS _IOR('H', 0x40, struct hdsp_peak_rms)

  struct hdsp_config_info {

  	unsigned char pref_sync_ref;
  	unsigned char wordclock_sync_check;
  	unsigned char spdif_sync_check;
  	unsigned char adatsync_sync_check;
  	unsigned char adat_sync_check[3];
  	unsigned char spdif_in;
  	unsigned char spdif_out;
  	unsigned char spdif_professional;
  	unsigned char spdif_emphasis;
  	unsigned char spdif_nonaudio;
  	unsigned int spdif_sample_rate;
  	unsigned int system_sample_rate;
  	unsigned int autosync_sample_rate;
  	unsigned char system_clock_mode;
  	unsigned char clock_source;
  	unsigned char autosync_ref;
  	unsigned char line_out;
  	unsigned char passthru; 
  	unsigned char da_gain;
  	unsigned char ad_gain;
  	unsigned char phone_gain;
  	unsigned char xlr_breakout_cable;
  	unsigned char analog_extension_board;
  };

  #define SNDRV_HDSP_IOCTL_GET_CONFIG_INFO _IOR('H', 0x41, struct hdsp_config_info)

  struct hdsp_firmware {

  	void __user *firmware_data;	/* 24413 x 4 bytes */
  };

  #define SNDRV_HDSP_IOCTL_UPLOAD_FIRMWARE _IOW('H', 0x42, struct hdsp_firmware)

  struct hdsp_version {
  	enum HDSP_IO_Type io_type;

  	unsigned short firmware_rev;
  };

  #define SNDRV_HDSP_IOCTL_GET_VERSION _IOR('H', 0x43, struct hdsp_version)

  struct hdsp_mixer {

  	unsigned short matrix[HDSP_MATRIX_MIXER_SIZE];
  };

  #define SNDRV_HDSP_IOCTL_GET_MIXER _IOR('H', 0x44, struct hdsp_mixer)

  struct hdsp_9632_aeb {

  	int aebi;
  	int aebo;
  };

  #define SNDRV_HDSP_IOCTL_GET_9632_AEB _IOR('H', 0x45, struct hdsp_9632_aeb)
  
  /* typedefs for compatibility to user-space */
  typedef enum HDSP_IO_Type HDSP_IO_Type;
  typedef struct hdsp_peak_rms hdsp_peak_rms_t;
  typedef struct hdsp_config_info hdsp_config_info_t;
  typedef struct hdsp_firmware hdsp_firmware_t;
  typedef struct hdsp_version hdsp_version_t;
  typedef struct hdsp_mixer hdsp_mixer_t;
  typedef struct hdsp_9632_aeb hdsp_9632_aeb_t;

  
  #endif /* __SOUND_HDSP_H */